Some of the deadliest terrorist attacks in Pakistan in recent years:

• Sept. 20, 2008: A truck bomb devastates Marriott Hotel in Islamabad, killing at least 38 people and wounding hundreds.

• Aug. 21, 2008: Suicide bombers blow themselves up at two gates into mammoth weapons factory in town of Wah, killing at least 67 people and wounding more than 70.

• Aug. 19, 2008: Bomb explodes outside hospital, killing 23 people and wounding 15 in Dera Ismail Khan, town in Pakistan's volatile northwest.

• March 11, 2008: Suicide bombs rip through seven-story police headquarters and house in Lahore, killing at least 24 people and wounding more than 200.

• March 2, 2008: Suicide bomber attacks tribesmen discussing resistance to al-Qaida and Taliban in Darra Adam Khel, killing at least 40.

• Feb. 29, 2008: Suicide bomber strikes funeral of slain police officer in Mingora town in Swat Valley, killing more than 40 people and injuring at least 60.

• Oct. 18, 2007: Suicide bombing aimed at former prime minister Benazir Bhutto kills some 150 people in Karachi during celebrations welcoming her home from exile. She was assassinated in a gun-and-suicide-bomb attack Dec. 27.

• Sept. 4, 2007: Two bombs hit army bus and commercial district in Rawalpindi, killing at least 24 people.

• July 19, 2007: Suicide attack on minibus carrying Chinese workers in Hub, near Karachi, kills at least 29 people.

• July 14, 2007: Suicide bomber attacks military convoy in North Waziristan near Afghan border, killing at least 24 Pakistani soldiers.

• Nov. 8, 2006: Man wearing explosives attacks troops doing calisthenics, killing at least 42 soldiers at army training center in Dargai, town in North West Frontier Province.